Place: Beetsterzwaag Length of route: The route is 35 kilometers long. Nature of the route: This technical and surprising route sometimes makes it difficult to cycle quickly, and some steering art is required. Marking: The route is marked with wooden poles with green international MTB sign (triangle with 2 rounds). Surroundings: The route passes through the beautiful estates that the Frisian nobility and patrician families have left us. The route runs along old lanes, open fields and the Koningsdiep or Alddjip.